human leukocyte antigen(redirected from Hla-b antigens)
Also found in: Dictionary, Encyclopedia.
human leukocyte antigen (HLA)The human MAJOR HISTOCOMPATIBILITY COMPLEX.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
hu·man leu·ko·cyte an·ti·gen(HLA) (hyū'măn lū'kō-sīt an'ti-jen)
Any of several members of a system consisting of the gene products of at least four linked loci (A, B, C, and D) and a number of subloci on the sixth human chromosome that have been shown to have a strong influence on human allotransplantation, transfusions in refractory patients, and some disease associations.
Medical Dictionary for the Dental Professions © Farlex 2012